SNC735

16-bit Voice Processor

Ver: 1.2

October 23, 2002

11

12. APPLICATION CIRCUIT

3V, 16MHz Crystal, PWM

Note:

1. All the ”VDD” and “CVDD” should be connected together before connected to the

power source which with a 47uF(C4) capacitor.

2. The capacitor “C5” is near the “CVDD” pin.

C3

15p

LS1

SPEAKER

C4

47u

TR5

TR6

TR7

TR8

TR1

TR2

TR3

TR4

C5

4.7u

C6

0.1u

330

330

330

330

330

330

330

330

2

3

4

7

8

9

10

11

13

14

16

12

17

18

19

20

21

22

23

26

27

28

29

30

31

32

33

34

35

36

38

39

40

41

6

25

42

43

45

46

U1

SNC735

VDD

VDD

VDD

VDD

CVDD

CVDD

RST

BP0

BN0

VO

XIN

XOUT

LXIN

LXOUT

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

P0.8

P0.9

P0.10

P0.11

P0.12

P0.13

P0.14

P0.15

P1.0

P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

P1.7

CKSEL

TEST

VDD (3V)

VDD

R1

220K

C1

0.1u

S1

RESET

Y1

16MHz

C2

15p